This listing covers the Alliant Power new accelerator pedal position sensor (APPS) for the 1998–2003 Dodge Ram 2500 / 3500 with the 5.9L 24V Cummins, Alliant part numbers AP63427 and AP63428. Alliant’s accelerator pedal sensor provides the pedal-position input used by the engine management system.

Features & Benefits

• New Alliant Power accelerator pedal sensor (Alliant P/N AP63427 / AP63428)
• AP63427 replaces Cummins 3970085 and Mopar 53031576 / 53031576AD
• AP63428 replaces Cummins 3970084 and Mopar 53031575AH
• Match the Cummins or Mopar number on your original sensor to choose the right part
• Backed by Alliant Power’s 24-month, unlimited-mileage warranty

Application

• Dodge Ram 2500 / 3500 with 5.9L Cummins (1998–2003), per Alliant Power for both part numbers

Always verify fitment against your VIN, engine, and OE part number before ordering.

Cross-Reference / Replaces

• AP63427 — Cummins: 3970085; Mopar: 53031576, 53031576AD; Navistar: S-10702
• AP63428 — Cummins: 3970084; Mopar: 53031575AH; Navistar: S-10702
• Alliant Power: AP63427, AP63428

Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).